Letter / Issued Document - Letter
o:1715204
Persistent identifier https://phaidra.univie.ac.at/o:1715203
Handle https://hdl.handle.net/11353/10.1715203
URI https://valep.vc.univie.ac.at/virtualarchive/public/Gerhard_Hirschfeld_to_Carnap_1964-10-14_L/d:954522